Vein-dilator for embalmers&#39; use.



' No. 668,879. Patented Feb.'26, I90l.

W.-L. MILLER.

VEIN BILATOB FOB EMBALMERS USE. (Application filed July 19, 1900. (NoModal.)

WITNESSES: INVENTOR L BY 5 5 911 Wm, Y

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3e it known that I, \VILBER L. MILLER, a length being split or cut withslots, as it 4, to citizen of the Unit-ed States of America, and formspring prongs or points 5. These points a resident of WVashington,county of Wash 5,0f which there are preferably three,are bent ington,and State of Iowa, haveinvented certoward the central axis of the tube3, so that tain new and useful Improvements in Veintheir outer tips mayconverge to a single Dilators for Embalmers Use, of which the point. Thetube'3, with its spring-points 5 following is a specification.converging to a single point, is shown at the My presentinventionrelates to an improveleft in Fig. 1 and presents the appearance ofmentin vcin-dilators for the use of embalma small instrument having asingle sharp ers, the object of the same being to provide a point whichmay be introduced into the vein. simple, efficient, and inexpensivedevice hav- In Fig. 2 I have represented the smaller tube ing manyattributes of novelty as an instru- 1 in the act of being introducedinto the intement for the use of embalmers in dilating the gral end ofthe split tube 3-that is to say, veins in such a manner as to admit acatheter; that end of said tube which carries the collar and theinvention consequently consists, esor ring 6, which is similar to thecollar 2-and seutially, in the construction, combination, it will benoticed that the farther the smaller and arrangement of parts,substantially as tube 1 is pressed into the outer tube 3 the will behereinafter more fully described and more the spring-points 5 will beseparated 7o claimed. from each other or distended with their tips Inthe accompanying drawings, illustrating farther and farther apart. Whenthe smaller my invention, Figure 1 is a side elevation,'in tube 1 hasbeen forced entirely into the outer partial section, of my improvedvein-dilator, tube 3, the inner and outer tube will occupy the twoprincipal parts of the instrument bethe relative positions shown in Fig.3, where ing shown as dissociated from each other. it will be seen thatthe handle or collar 2 is Fig. 2 is a similar side elevation showing theagainst the handle 6, while the points of the tubular portion of thedevice inserted part spring-prongs 5are separated as farfrom each wayinto the distensible spring-pointed porother as it is possible to dowith the insertion tion. Fig. 3 is a side elevation showing the betweenthem of the small tube 1. 8o tubular partinserted clear into thedistensible It will thus be seen that I provide an inpart. strumentwhereby a vein may be dilated to Similar numerals of reference designatesuch proportions as to admita catheter which corresponding partsthroughout the different is used for the purpose of withdrawing thefigures of the drawings. blood, and that my device consists, essen- Incarrying my invention into practical eftially, of two metallic tubes -alarger and a fectl employ two principal parts, one of which smaller-thesmaller being adapted for inseris a small cylinder or tube having auniform tion into the larger for distending the springdiameterthroughout and the other isa short prongs of the latter. When the pointsof tube which is split or cut longitudinally for these prongs aretogether, the small point about two-thirds of its length so as toprovide thus formed may be introduced into a vein, three spring-points,the integral tubular porand then by pressing the inner tube into thetion being adapted for insertion into the outer tube the vein will bedilated, so that other in a manner and for a purpose to be the cathetermaybe easilyintroduced int-o the presently slated. vein through theopening of the inner tube, 5 1 denotes the partof the device consistingthus enabling the heart to be reached with of an integral tube open ateach end and of the catheter without tearing the vein. uniform diameterthroughout, there being at Having thus described my invention, what oneend a flange or collar 2, which serves as a I claim as new, and desireto secure by Letters handle. The other part of the device consistsPatent, is-

UNTTET) STATES PATENT @FFICE.

\VILBER L. MILLER, OFWASHINGTON, IOWA.

VElN-DlLATOR FOR EMBALMERS USE.

SPECIFICATION forming part of Letters Patent No. 668,879, dated February26, 1901.

Application filed July 19,1900. serial No. 24,163. tNo model.)

To all, whom, it may concern: thereinto,said tube3for abouttwo-thirds ofits of a tube 3, of slightly-greater diameter than tube 1, so that itmay easily be introduced 1. In a vein-dilator, the combination with atube formed with converging spring-prongs,

and a tube of smaller diameter adapted to be flanges formed on the outerend of said tubes inserted in the same to distend and hold said tocontrol and manipulate the same. IO points. Signed at Washington, Iowa,this 12th day 2. In a vein-dilator, the combination with of July, 1900.a tube formed with con verging spring-prongs, VVILBER L. MILLER. of asecond tube, of smaller diameter adapted Witnesses: to be inserted inthe first-mentioned tube to J. W. MORTON, distend and hold said prongs,and rings or A. S. FOLGER.

